Malware Analysis Report

2025-01-18 00:11

Sample ID 240613-qs8hss1bqg
Target 2024-06-13_47045e162c64b03707f4964a7211d8bf_cobalt-strike_ryuk
SHA256 b43320f5a38844867489b804bd3ad3353619c6e13ef9acd4427b368614090b27
Tags
score
3/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
3/10

SHA256

b43320f5a38844867489b804bd3ad3353619c6e13ef9acd4427b368614090b27

Threat Level: Likely benign

The file 2024-06-13_47045e162c64b03707f4964a7211d8bf_cobalt-strike_ryuk was found to be: Likely benign.

Malicious Activity Summary


Unsigned PE

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-13 13:32

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-13 13:32

Reported

2024-06-13 13:35

Platform

win7-20240611-en

Max time kernel

121s

Max time network

125s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-06-13_47045e162c64b03707f4964a7211d8bf_cobalt-strike_ryuk.exe"

Signatures

N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2024-06-13_47045e162c64b03707f4964a7211d8bf_cobalt-strike_ryuk.exe

"C:\Users\Admin\AppData\Local\Temp\2024-06-13_47045e162c64b03707f4964a7211d8bf_cobalt-strike_ryuk.exe"

Network

N/A

Files

memory/2752-0-0x0000000140000000-0x00000001400CF000-memory.dmp

memory/2752-1-0x0000000000BA0000-0x0000000000C00000-memory.dmp

memory/2752-9-0x0000000000BA0000-0x0000000000C00000-memory.dmp

memory/2752-7-0x0000000000BA0000-0x0000000000C00000-memory.dmp

memory/2752-12-0x0000000140000000-0x00000001400CF000-memory.dmp

memory/2752-13-0x0000000000BA0000-0x0000000000C00000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-13 13:32

Reported

2024-06-13 13:35

Platform

win10v2004-20240611-en

Max time kernel

92s

Max time network

154s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-06-13_47045e162c64b03707f4964a7211d8bf_cobalt-strike_ryuk.exe"

Signatures

N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2024-06-13_47045e162c64b03707f4964a7211d8bf_cobalt-strike_ryuk.exe

"C:\Users\Admin\AppData\Local\Temp\2024-06-13_47045e162c64b03707f4964a7211d8bf_cobalt-strike_ryuk.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 13.107.21.237:443 g.bing.com tcp
BE 23.41.178.58:443 www.bing.com tcp
US 8.8.8.8:53 20.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 217.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 58.178.41.23.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 234.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 211.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp

Files

memory/3944-0-0x0000000140000000-0x00000001400CF000-memory.dmp

memory/3944-1-0x0000000000C00000-0x0000000000C60000-memory.dmp

memory/3944-9-0x0000000000C00000-0x0000000000C60000-memory.dmp

memory/3944-13-0x0000000000C00000-0x0000000000C60000-memory.dmp

memory/3944-12-0x0000000140000000-0x00000001400CF000-memory.dmp